All national parks in Thailand closed from March 25 until further notice There are currently 133 national parks in Thailand with Khao Yai National Park being the country’s first (established 1962) and Doi Chong National Park being the 133rd.
Thailand has five new national parks There are currently 133 national parks in Thailand with Khao Yai National park being the country’s first (established 1962) and Tham Sa Koen National Park in Nan being the last designated during the reign of the late King Bhumibol Adulyadej.